113 lines
4.0 KiB
C
113 lines
4.0 KiB
C
|
/**************************************************************************//**
|
||
|
|
* @file crc.h
|
||
|
|
* @version V1.00
|
||
|
|
* $Revision: 2 $
|
||
|
|
* $Date: 15/12/01 9:57a $
|
||
|
|
* @brief NUC472/NUC442 series CRC driver header file
|
||
|
|
*
|
||
|
|
* @note
|
||
|
|
* Copyright (C) 2015 Nuvoton Technology Corp. All rights reserved.
|
||
|
|
*****************************************************************************/
|
||
|
|
#ifndef __CRC_H__
|
||
|
|
#define __CRC_H__
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C"
|
||
|
|
{
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup NUC472_442_CRC_Driver CRC Driver
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/** @addtogroup NUC472_442_CRC_EXPORTED_CONSTANTS CRC Exported Constants
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
/* CRC Polynomial Mode Constant Definitions */
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
#define CRC_CCITT 0x00000000UL /*!<CRC Polynomial Mode - CCITT */
|
||
|
|
#define CRC_8 0x40000000UL /*!<CRC Polynomial Mode - CRC8 */
|
||
|
|
#define CRC_16 0x80000000UL /*!<CRC Polynomial Mode - CRC16 */
|
||
|
|
#define CRC_32 0xC0000000UL /*!<CRC Polynomial Mode - CRC32 */
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
/* Checksum, Write data Constant Definitions */
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
#define CRC_CHECKSUM_COM 0x08000000UL /*!<CRC Checksum Complement */
|
||
|
|
#define CRC_CHECKSUM_RVS 0x02000000UL /*!<CRC Checksum Reverse */
|
||
|
|
#define CRC_WDATA_COM 0x04000000UL /*!<CRC Write Data Complement */
|
||
|
|
#define CRC_WDATA_RVS 0x01000000UL /*!<CRC Write Data Reverse */
|
||
|
|
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
/* CPU Write Data Length Constant Definitions */
|
||
|
|
/*---------------------------------------------------------------------------------------------------------*/
|
||
|
|
#define CRC_CPU_WDATA_8 0x00000000UL /*!<CRC CPU Write Data length is 8-bit */
|
||
|
|
#define CRC_CPU_WDATA_16 0x10000000UL /*!<CRC CPU Write Data length is 16-bit */
|
||
|
|
#define CRC_CPU_WDATA_32 0x20000000UL /*!<CRC CPU Write Data length is 32-bit */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group NUC472_442_CRC_EXPORTED_CONSTANTS */
|
||
|
|
|
||
|
|
|
||
|
|
/** @addtogroup NUC472_442_CRC_EXPORTED_FUNCTIONS CRC Exported Functions
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set CRC Seed Value
|
||
|
|
*
|
||
|
|
* @param[in] u32Seed Seed value
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details This macro is used to set CRC seed value.
|
||
|
|
*
|
||
|
|
* @note User must to perform CRC_RST(CRC_CTL[1] CRC Engine Reset) to reload the new seed value
|
||
|
|
* to CRC controller.
|
||
|
|
*/
|
||
|
|
#define CRC_SET_SEED(u32Seed) { CRC->SEED = (u32Seed); CRC->CTL |= CRC_CTL_CRCRST_Msk; }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Get CRC Seed Value
|
||
|
|
*
|
||
|
|
* @param None
|
||
|
|
*
|
||
|
|
* @return CRC seed value
|
||
|
|
*
|
||
|
|
* @details This macro gets the current CRC seed value.
|
||
|
|
*/
|
||
|
|
#define CRC_GET_SEED() (CRC->SEED)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief CRC Write Data
|
||
|
|
*
|
||
|
|
* @param[in] u32Data Write data
|
||
|
|
*
|
||
|
|
* @return None
|
||
|
|
*
|
||
|
|
* @details User can write data directly to CRC Write Data Register(CRC_DAT) by this macro to perform CRC operation.
|
||
|
|
*/
|
||
|
|
#define CRC_WRITE_DATA(u32Data) (CRC->DAT = (u32Data))
|
||
|
|
|
||
|
|
void CRC_Open(uint32_t u32Mode, uint32_t u32Attribute, uint32_t u32Seed, uint32_t u32DataLen);
|
||
|
|
uint32_t CRC_GetChecksum(void);
|
||
|
|
|
||
|
|
/*@}*/ /* end of group NUC472_442_CRC_EXPORTED_FUNCTIONS */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group NUC472_442_CRC_Driver */
|
||
|
|
|
||
|
|
/*@}*/ /* end of group NUC472_442_Device_Driver */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif //__CRC_H__
|
||
|
|
|
||
|
|
/*** (C) COPYRIGHT 2015 Nuvoton Technology Corp. ***/
|